Sony SLH‑180 Reel‑to‑Reel Tape 1/4″ x 1800ft Type‑7 1.0mil Splice‑Free New Open Box. New open-box Sony SLH-180 professional reel-to-reel recording tape, featuring a 1/4″ width, 1800-foot length, 1.0 mil thickness, and SLH (Type-7) low-noise/high-output formulation.